[85936] in North American Network Operators' Group

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Re: multi homing pressure

daemon@ATHENA.MIT.EDU (Erik Haagsman)
Wed Oct 19 12:24:50 2005

From: Erik Haagsman <erik@we-dare.net>
Reply-To: erik@we-dare.net
To: "Patrick W. Gilmore" <patrick@ianai.net>
Cc: nanog@merit.edu
In-Reply-To: <A329773B-2E3A-40DE-A6B1-482F4104383C@ianai.net>
Date: Wed, 19 Oct 2005 18:03:33 +0200
Errors-To: owner-nanog@merit.edu


On Wed, 2005-10-19 at 12:03 -0400, Patrick W. Gilmore wrote:
> For the customer with an Internet "mission critical app", being tied  
> to a Tier 2 has it's own set of problems, which might actually be  
> worse than being tied to a Tier 1.

I think this is largely dependant on the specific topology and
redundancy in the Tier-2's network and the way they provide multiple
uplinks. When done well, with uplinks spread over separate physical
locations, well thought out IP adressing and de-centralised exits from
the Tier-2's network out to multiple Tier-n's, there's usually a benefit
to multi-homed connections to a Tier-2 rather than a Tier-1, with
minimum capacity and pricing being the most important ones.

-- 
---
Erik Haagsman
Network Architect
We Dare BV
Tel: +31(0)10-7507008
Fax: +31(0)10-7507005
http://www.we-dare.nl



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